generic-library/ffmpeg
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

dca: Move data tables from a header to an object file

Browse Source 
This allows sharing them with the DCA XLL extension w/o duplication.
This commit is contained in:
Diego Biurrun 2015-02-15 20:03:03 +01:00
parent 65df9904ce
commit 3a651f599a
4 changed files with 7816 additions and 7754 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
libavcodec/Makefile
View File

@ -157,7 +157,8 @@ OBJS-$(CONFIG_COMFORTNOISE_ENCODER) += cngenc.o
OBJS-$(CONFIG_CSCD_DECODER) += cscd.o
OBJS-$(CONFIG_CYUV_DECODER) += cyuv.o
OBJS-$(CONFIG_DCA_DECODER) += dcadec.o dca.o dcadsp.o \
dca_exss.o synth_filter.o
dcadata.o dca_exss.o \
synth_filter.o
OBJS-$(CONFIG_DFA_DECODER) += dfa.o
OBJS-$(CONFIG_DNXHD_DECODER) += dnxhddec.o dnxhddata.o
OBJS-$(CONFIG_DNXHD_ENCODER) += dnxhdenc.o dnxhddata.o

7752
libavcodec/dcadata.c Normal file
View File

File diff suppressed because it is too large Load Diff

7737
libavcodec/dcadata.h
View File

File diff suppressed because it is too large Load Diff

78
libavcodec/dcadec.c
View File

@ -168,8 +168,8 @@ static av_cold void dca_init_vlcs(void)
dca_bitalloc_index.offset = 1;
dca_bitalloc_index.wrap = 2;
for (i = 0; i < 5; i++) {
dca_bitalloc_index.vlc[i].table = &dca_table[dca_vlc_offs[i]];
dca_bitalloc_index.vlc[i].table_allocated = dca_vlc_offs[i + 1] - dca_vlc_offs[i];
dca_bitalloc_index.vlc[i].table = &dca_table[ff_dca_vlc_offs[i]];
dca_bitalloc_index.vlc[i].table_allocated = ff_dca_vlc_offs[i + 1] - ff_dca_vlc_offs[i];
init_vlc(&dca_bitalloc_index.vlc[i], bitalloc_12_vlc_bits[i], 12,
bitalloc_12_bits[i], 1, 1,
bitalloc_12_codes[i], 2, 2, INIT_VLC_USE_NEW_STATIC);
@ -177,8 +177,8 @@ static av_cold void dca_init_vlcs(void)
dca_scalefactor.offset = -64;
dca_scalefactor.wrap = 2;
for (i = 0; i < 5; i++) {
dca_scalefactor.vlc[i].table = &dca_table[dca_vlc_offs[i + 5]];
dca_scalefactor.vlc[i].table_allocated = dca_vlc_offs[i + 6] - dca_vlc_offs[i + 5];
dca_scalefactor.vlc[i].table = &dca_table[ff_dca_vlc_offs[i + 5]];
dca_scalefactor.vlc[i].table_allocated = ff_dca_vlc_offs[i + 6] - ff_dca_vlc_offs[i + 5];
init_vlc(&dca_scalefactor.vlc[i], SCALES_VLC_BITS, 129,
scales_bits[i], 1, 1,
scales_codes[i], 2, 2, INIT_VLC_USE_NEW_STATIC);
@ -186,8 +186,8 @@ static av_cold void dca_init_vlcs(void)
dca_tmode.offset = 0;
dca_tmode.wrap = 1;
for (i = 0; i < 4; i++) {
dca_tmode.vlc[i].table = &dca_table[dca_vlc_offs[i + 10]];
dca_tmode.vlc[i].table_allocated = dca_vlc_offs[i + 11] - dca_vlc_offs[i + 10];
dca_tmode.vlc[i].table = &dca_table[ff_dca_vlc_offs[i + 10]];
dca_tmode.vlc[i].table_allocated = ff_dca_vlc_offs[i + 11] - ff_dca_vlc_offs[i + 10];
init_vlc(&dca_tmode.vlc[i], tmode_vlc_bits[i], 4,
tmode_bits[i], 1, 1,
tmode_codes[i], 2, 2, INIT_VLC_USE_NEW_STATIC);
@ -199,8 +199,8 @@ static av_cold void dca_init_vlcs(void)
break;
dca_smpl_bitalloc[i + 1].offset = bitalloc_offsets[i];
dca_smpl_bitalloc[i + 1].wrap = 1 + (j > 4);
dca_smpl_bitalloc[i + 1].vlc[j].table = &dca_table[dca_vlc_offs[c]];
dca_smpl_bitalloc[i + 1].vlc[j].table_allocated = dca_vlc_offs[c + 1] - dca_vlc_offs[c];
dca_smpl_bitalloc[i + 1].vlc[j].table = &dca_table[ff_dca_vlc_offs[c]];
dca_smpl_bitalloc[i + 1].vlc[j].table_allocated = ff_dca_vlc_offs[c + 1] - ff_dca_vlc_offs[c];
init_vlc(&dca_smpl_bitalloc[i + 1].vlc[j], bitalloc_maxbits[i][j],
bitalloc_sizes[i],
@ -293,7 +293,7 @@ static int dca_parse_frame_header(DCAContext *s)
if (!s->sample_rate)
return AVERROR_INVALIDDATA;
s->bit_rate_index = get_bits(&s->gb, 5);
s->bit_rate = dca_bit_rates[s->bit_rate_index];
s->bit_rate = ff_dca_bit_rates[s->bit_rate_index];
if (!s->bit_rate)
return AVERROR_INVALIDDATA;
@ -428,10 +428,10 @@ static int dca_subframe_header(DCAContext *s, int base_channel, int block_index)
s->subband_activity[j] * sizeof(s->scale_factor[0][0][0]) * 2);
if (s->scalefactor_huffman[j] == 6) {
scale_table = scale_factor_quant7;
scale_table = ff_dca_scale_factor_quant7;
log_size = 7;
} else {
scale_table = scale_factor_quant6;
scale_table = ff_dca_scale_factor_quant6;
log_size = 6;
}
@ -520,7 +520,7 @@ static int dca_subframe_header(DCAContext *s, int base_channel, int block_index)
/* Scale factor index */
skip_bits(&s->gb, 1);
s->lfe_scale_factor = scale_factor_quant7[get_bits(&s->gb, 7)];
s->lfe_scale_factor = ff_dca_scale_factor_quant7[get_bits(&s->gb, 7)];
/* Quantization step size * scale factor */
lfe_scale = 0.035 * s->lfe_scale_factor;
@ -544,9 +544,9 @@ static void qmf_32_subbands(DCAContext *s, int chans,
/* Select filter */
if (!s->multirate_inter) /* Non-perfect reconstruction */
prCoeff = fir_32bands_nonperfect;
prCoeff = ff_dca_fir_32bands_nonperfect;
else /* Perfect reconstruction */
prCoeff = fir_32bands_perfect;
prCoeff = ff_dca_fir_32bands_perfect;
s->dcadsp.qmf_32_subbands(samples_in, sb_act, &s->synth, &s->imdct,
s->subband_fir_hist[chans],
@ -574,10 +574,10 @@ static void lfe_interpolation_fir(DCAContext *s, int decimation_select,
/* Select decimation filter */
if (decimation_select == 1) {
idx = 1;
prCoeff = lfe_fir_128;
prCoeff = ff_dca_lfe_fir_128;
} else {
idx = 0;
prCoeff = lfe_fir_64;
prCoeff = ff_dca_lfe_fir_64;
}
/* Interpolation */
for (deciindex = 0; deciindex < num_deci_sample; deciindex++) {
@ -661,8 +661,8 @@ static void dca_downmix(float **samples, int srcfmt, int lfe_present,
break;
}
if (lfe_present) {
int lf_buf = dca_lfe_index[srcfmt];
int lf_idx = dca_channels[srcfmt];
int lf_buf = ff_dca_lfe_index[srcfmt];
int lf_idx = ff_dca_channels[srcfmt];
for (i = 0; i < 256; i++) {
samples[0][i] += samples[lf_buf][i] * coef[lf_idx][0];
samples[1][i] += samples[lf_buf][i] * coef[lf_idx][1];
@ -714,9 +714,9 @@ static int dca_subsubframe(DCAContext *s, int base_channel, int block_index)
/* Select quantization step size table */
if (s->bit_rate_index == 0x1f)
quant_step_table = lossless_quant_d;
quant_step_table = ff_dca_lossless_quant_d;
else
quant_step_table = lossy_quant_d;
quant_step_table = ff_dca_lossy_quant_d;
for (k = base_channel; k < s->prim_channels; k++) {
float rscale[DCA_SUBBANDS];
@ -793,24 +793,24 @@ static int dca_subsubframe(DCAContext *s, int base_channel, int block_index)
if (s->prediction_mode[k][l]) {
int n;
if (s->predictor_history)
subband_samples[k][l][0] += (adpcm_vb[s->prediction_vq[k][l]][0] *
subband_samples[k][l][0] += (ff_dca_adpcm_vb[s->prediction_vq[k][l]][0] *
s->subband_samples_hist[k][l][3] +
adpcm_vb[s->prediction_vq[k][l]][1] *
ff_dca_adpcm_vb[s->prediction_vq[k][l]][1] *
s->subband_samples_hist[k][l][2] +
adpcm_vb[s->prediction_vq[k][l]][2] *
ff_dca_adpcm_vb[s->prediction_vq[k][l]][2] *
s->subband_samples_hist[k][l][1] +
adpcm_vb[s->prediction_vq[k][l]][3] *
ff_dca_adpcm_vb[s->prediction_vq[k][l]][3] *
s->subband_samples_hist[k][l][0]) *
(1.0f / 8192);
for (m = 1; m < 8; m++) {
float sum = adpcm_vb[s->prediction_vq[k][l]][0] *
float sum = ff_dca_adpcm_vb[s->prediction_vq[k][l]][0] *
subband_samples[k][l][m - 1];
for (n = 2; n <= 4; n++)
if (m >= n)
sum += adpcm_vb[s->prediction_vq[k][l]][n - 1] *
sum += ff_dca_adpcm_vb[s->prediction_vq[k][l]][n - 1] *
subband_samples[k][l][m - n];
else if (s->predictor_history)
sum += adpcm_vb[s->prediction_vq[k][l]][n - 1] *
sum += ff_dca_adpcm_vb[s->prediction_vq[k][l]][n - 1] *
s->subband_samples_hist[k][l][m - n + 4];
subband_samples[k][l][m] += sum * 1.0f / 8192;
}
@ -827,7 +827,7 @@ static int dca_subsubframe(DCAContext *s, int base_channel, int block_index)
s->debug_flag |= 0x01;
}
s->dcadsp.decode_hf(subband_samples[k], s->high_freq_vq[k],
high_freq_vq, subsubframe * 8,
ff_dca_high_freq_vq, subsubframe * 8,
s->scale_factor[k], s->vq_start_subband[k],
s->subband_activity[k]);
}
@ -866,7 +866,7 @@ static int dca_filter_channels(DCAContext *s, int block_index)
if (s->lfe) {
lfe_interpolation_fir(s, s->lfe, 2 * s->lfe,
s->lfe_data + 2 * s->lfe * (block_index + 4),
s->samples_chanptr[dca_lfe_index[s->amode]]);
s->samples_chanptr[ff_dca_lfe_index[s->amode]]);
/* Outputs 20bits pcm samples */
}
@ -947,7 +947,7 @@ static int dca_subframe_footer(DCAContext *s, int base_channel)
am);
return AVERROR_INVALIDDATA;
}
for (out = 0; out < dca_channels[s->core_downmix_amode]; out++) {
for (out = 0; out < ff_dca_channels[s->core_downmix_amode]; out++) {
for (in = 0; in < s->prim_channels + !!s->lfe; in++) {
uint16_t tmp = get_bits(&s->gb, 9);
if ((tmp & 0xFF) > 241) {
@ -1029,7 +1029,7 @@ static float dca_dmix_code(unsigned code)
{
int sign = (code >> 8) - 1;
code &= 0xff;
return ((dca_dmixtable[code] ^ sign) - sign) * (1.0 / (1U << 15));
return ((ff_dca_dmixtable[code] ^ sign) - sign) * (1.0 / (1U << 15));
}
/**
@ -1207,18 +1207,18 @@ FF_ENABLE_DEPRECATION_WARNINGS
avctx->channel_layout |= AV_CH_BACK_CENTER;
if (s->lfe) {
avctx->channel_layout |= AV_CH_LOW_FREQUENCY;
s->channel_order_tab = dca_channel_reorder_lfe_xch[s->amode];
s->channel_order_tab = ff_dca_channel_reorder_lfe_xch[s->amode];
} else {
s->channel_order_tab = dca_channel_reorder_nolfe_xch[s->amode];
s->channel_order_tab = ff_dca_channel_reorder_nolfe_xch[s->amode];
}
} else {
channels = num_core_channels + !!s->lfe;
s->xch_present = 0; /* disable further xch processing */
if (s->lfe) {
avctx->channel_layout |= AV_CH_LOW_FREQUENCY;
s->channel_order_tab = dca_channel_reorder_lfe[s->amode];
s->channel_order_tab = ff_dca_channel_reorder_lfe[s->amode];
} else
s->channel_order_tab = dca_channel_reorder_nolfe[s->amode];
s->channel_order_tab = ff_dca_channel_reorder_nolfe[s->amode];
}
if (channels > !!s->lfe &&
@ -1246,20 +1246,20 @@ FF_ENABLE_DEPRECATION_WARNINGS
s->output = s->core_downmix_amode;
} else {
int am = s->amode & DCA_CHANNEL_MASK;
if (am >= FF_ARRAY_ELEMS(dca_default_coeffs)) {
if (am >= FF_ARRAY_ELEMS(ff_dca_default_coeffs)) {
av_log(s->avctx, AV_LOG_ERROR,
"Invalid channel mode %d\n", am);
return AVERROR_INVALIDDATA;
}
if (num_core_channels + !!s->lfe >
FF_ARRAY_ELEMS(dca_default_coeffs[0])) {
FF_ARRAY_ELEMS(ff_dca_default_coeffs[0])) {
avpriv_request_sample(s->avctx, "Downmixing %d channels",
s->prim_channels + !!s->lfe);
return AVERROR_PATCHWELCOME;
}
for (i = 0; i < num_core_channels + !!s->lfe; i++) {
s->downmix_coef[i][0] = dca_default_coeffs[am][i][0];
s->downmix_coef[i][1] = dca_default_coeffs[am][i][1];
s->downmix_coef[i][0] = ff_dca_default_coeffs[am][i][0];
s->downmix_coef[i][1] = ff_dca_default_coeffs[am][i][1];
}
}
av_dlog(s->avctx, "Stereo downmix coeffs:\n");